(unstack b10 b2)
(stack b10 b4)
(unstack b2 b5)
(putdown b2)
(unstack b5 b3)
(putdown b5)
(unstack b3 b6)
(stack b3 b10)
(unstack b6 b7)
(stack b6 b5)
(unstack b7 b1)
(stack b7 b2)
(unstack b3 b10)
(stack b3 b7)
(unstack b1 b9)
(stack b1 b6)
(unstack b9 b11)
(putdown b9)
(unstack b10 b4)
(stack b10 b9)
(unstack b11 b8)
(stack b11 b1)
(pickup b8)
(stack b8 b3)
(unstack b11 b1)
(stack b11 b8)
(pickup b4)
(stack b4 b11)
(unstack b1 b6)
(stack b1 b4)
; cost = 30 (unit cost)
